Mount Zion is located in Illinois. Mount Zion, Illinois has a population of 5,979. Mount Zion is more family-centric than the surrounding county with 38.86% of the households containing married families with children. The county average for households married with children is 25.59%.
The median household income in Mount Zion, Illinois is $71,121. The median household income for the surrounding county is $49,052 compared to the national median of $57,652. The median age of people living in Mount Zion is 41.5 years.
The average high temperature in July is 87.2 degrees, with an average low temperature in January of 19.1 degrees. The average rainfall is approximately 39.6 inches per year, with 15.8 inches of snow per year.